package org.eoti.sound;

import javax.sound.sampled.AudioFileFormat;
import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.UnsupportedAudioFileException;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;

/**
 * The MIT License
 * <p/>
 * Copyright (c) 2009 Malachi de AElfweald (malachid@gmail.com)
 * <p/>
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
 * documentation files (the "Software"), to deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to the following conditions:
 * <p/>
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the
 * Software.
 * <p/>
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
 * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
public class MusicInfo
{
	private File file;
	private URL url;
	private InputStream inputStream;
	private AudioFileFormat fileFormat;
	private String name = null;

	public MusicInfo( File file)
			throws UnsupportedAudioFileException, IOException
	{
		if(file.isDirectory())
			throw new IllegalArgumentException(String.format("%s is a directory.", file.getAbsolutePath()));
		this.file = file;
		this.name = file.getName();
		this.fileFormat = AudioSystem.getAudioFileFormat( file );
	}

	public MusicInfo( URL url)
			throws UnsupportedAudioFileException, IOException
	{
		this.url = url;
		String path = url.getPath();
		if(path != null)
		{
			int lastSlash = path.lastIndexOf("/");
			if(lastSlash != -1)
			{
				name = path.substring(lastSlash+1);
			}
		}
		this.fileFormat = AudioSystem.getAudioFileFormat( url );
	}

	public MusicInfo( String name, InputStream inputStream)
			throws UnsupportedAudioFileException, IOException
	{
		this.inputStream = inputStream;
		this.name = name;
		this.fileFormat = AudioSystem.getAudioFileFormat( inputStream );
	}

	public String getName()
	{
		return name;
	}

	public Object getSource()
	{
		if(file != null) return file;
		if(url != null) return url;
		return inputStream;
	}

	public AudioFileFormat getAudioFileFormat()
	{
		return fileFormat;
	}

	public int getByteLength()
	{
		return fileFormat.getByteLength();
	}

	public AudioFormat getAudioFormat()
	{
		return fileFormat.getFormat();
	}

	public static AudioFileFormat.Type[] getAudioFileTypes()
	{
		return AudioSystem.getAudioFileTypes();
	}
}
